TY  - BOOK
AU  - Langridge, Derek.
TI  - Approach to classification: : For students of librarianship
SN  - 851571484
U1  - 025.4 
PY  - 1973///
CY  - London: 
PB  - Clive Bingley Ltd., 
KW  - Classification
KW  - Librarianship
KW  - Library science
KW  - Subject indexing
ER  -